386766 has 12 divisors (see below), whose sum is σ = 838032. Its totient is φ = 128916.

The previous prime is 386747. The next prime is 386777. The reversal of 386766 is 667683.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 386766.

It is a congruent number.

It is an unprimeable number.

386766 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10726 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (69836).

2³⁸⁶⁷⁶⁶ is an apocalyptic number.

386766 is an abundant number, since it is smaller than the sum of its proper divisors (451266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386766 is a wasteful number, since it uses less digits than its factorization.

386766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21495 (or 21492 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 386766 is about 621.9051374607. The cubic root of 386766 is about 72.8589256443.

The spelling of 386766 in words is "three hundred eighty-six thousand, seven hundred sixty-six".